【2 IN 1 WHITE NOISE MACHINE & NIGHT LIGHT】- This music light sleep machine combines sound and night light in one easy to use device. You can customize the sound, volume level, light mode, non-stop playing or timing on it and glows auto save all your preferred settings. Note: Please fully charge it before first use. 【20 SOOTHING SOUNDS】- This sleep therapy sound machine is equipped with 20 smoothing sounds (3 white noise, 3 fan sounds, 3 rainy sounds, 3 wave sound, 2 lullabies, water stream sound, campfire sound, birdsong, cricket sound, tick-tock sound, heartbeat sound) to create a relaxing and comforting environment for soothing baby, sleeping aid, relaxing, meditation, yoga, or napping. 【AUTO-OFF TIMER OPINION & MEMORY FUNCTION】- The sleep sound machine features a 15, 30 and 60-minute auto-off timer. The music sleep machine can either be played continuously or automatically turns off to make efficient use and save electricity. Whether you are taking nap, relaxation, meditation or concentration while studying or working, the sound machine remembers your last settings of the sound and volume level when you next turn it on. 【VARIETY OF USES】- This sound spa is perfect for sleep, rest, relaxation, meditation, yoga, or napping. You can also use it to tune out distractions, or boost your focus while you study or work. Different sounds inspire different moods and there's always something for everyone. It's an ideal sound therapy for home, office, travel, vocation or business trip. 【PORTABLE & COMPACT】- This white noise sound machine is small and lightweight, portable for home and travel use. It easily fits into your purse, bag or suitcase, easy to carry with you wherever you go, you don't need to worry about sleeping in a strange environment any more.